Haley Mertz, PA
NPI 1164931622ActiveIndividual· Physician Assistant· Dalton, GA
Physician Assistant (PA) with Hamilton Physician Group, Inc, practicing in Dalton, Georgia. Their prescriptions cost Medicare Part D more than their services did: $1,316,665 for 2,652 claims, against $33,321 paid for services in 2024. Abbvie Inc. was the largest of 33 companies reporting payments in 2025, $2,758 in all, mostly food and beverage. Lists Adventhealth Gordon and 1 other hospital as hospital affiliations.
Overview
| NPI | 1164931622 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Sep 27, 2017 |
| Last updated in NPPES | Nov 4, 2025 |
| Certified by provider | Nov 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 008491 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 497 across 18 procedure codes |
| Paid by Medicare | $33,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,652 · 3,663 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $1,316,665 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Hamilton Physician Group, IncDalton, GA · 118 clinicians
Hospital affiliations
- Adventhealth GordonCalhoun, GA
- Hamilton Medical CenterDalton, GA
Industry payments (Open Payments)
- 2025$2,758 · 145 payments from 33 companies
- 2024$2,988 · 155 payments from 30 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $485.42 | 30 |
| Ucb, Inc. | $375.65 | 18 |
| Lundbeck LLC | $175.45 | 10 |
| Amneal Pharmaceuticals LLC | $150.66 | 9 |
| Biogen, Inc. | $139.82 | 7 |
What the 2025 payments were for
- Food and Beverage$2,749 · 144 payments
- Education$9.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 physician assistants in Dalton · All physician assistants in Georgia